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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 12 — Jun. 15, 2014
  • pp: 3386–3389

Aluminum-jointed silicon dioxide octagon nanohelix array with desired complex refractive index

Yi-Jun Jen, Chien-Chi Chen, and Ci-Yao Jheng  »View Author Affiliations

Optics Letters, Vol. 39, Issue 12, pp. 3386-3389 (2014)

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In this Letter, glancing angle deposition is used to form an aluminum-jointed silicon dioxide octagon nanohelix array as a 3D nanostructured thin film. As a sculptured metal–dielectric composite, the film exhibits a complex refractive index of near unity with a small imaginary part. This structured film is demonstrated as an efficient light absorber to absorb light in a broad band and over a wide range of angles for both polarization states.

© 2014 Optical Society of America

OCIS Codes
(310.0310) Thin films : Thin films
(310.3915) Thin films : Metallic, opaque, and absorbing coatings
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Thin Films

Original Manuscript: April 28, 2014
Manuscript Accepted: April 28, 2014
Published: June 3, 2014

Yi-Jun Jen, Chien-Chi Chen, and Ci-Yao Jheng, "Aluminum-jointed silicon dioxide octagon nanohelix array with desired complex refractive index," Opt. Lett. 39, 3386-3389 (2014)

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